How massive is a protein compared to a carbohydrate?

Proteins can be hundreds of amino acid chains in length, which is obviously a large molecule. But complex carbohydrates can also be hundreds of simple carbohydrates chained together, and be of similar size if not larger. read more

But complex carbohydrates can also be hundreds of simple carbohydrates chained together, and be of similar size if not larger. But more simple carbohydrates like sucrose are made of a glucose molecule and a fructose molecule bonded together, which is rather small compared to enzymes, for example. read more

Followed by Carbohydrates. Proteins have all together different function to provide building blocks for body. So they will produce the least energy. Hence protein diet is preferred during dieting as it will produce less energy for the same amount of food, also will help you in building more muscles which inturn will burn more and more calories. read more

The 2010 Dietary Guidelines for Americans recommends consuming 45 to 65 percent of your calories as carbohydrates and 10 to 35 percent of your calories as protein. For someone who eats 2,000 calories a day, this translates into 225 to 325 grams of carbohydrates and 50 to 175 grams of protein. read more